/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.rocketmq.example.tracemessage;

import org.apache.rocketmq.client.exception.MQClientException;
import org.apache.rocketmq.client.producer.LocalTransactionState;
import org.apache.rocketmq.client.producer.SendResult;
import org.apache.rocketmq.client.producer.TransactionListener;
import org.apache.rocketmq.client.producer.TransactionMQProducer;
import org.apache.rocketmq.common.message.Message;
import org.apache.rocketmq.common.message.MessageExt;

import java.nio.charset.StandardCharsets;

public class OpenTracingTransactionProducer {

    public static final String PRODUCER_GROUP = "please_rename_unique_group_name";
    public static final String DEFAULT_NAMESRVADDR = "127.0.0.1:9876";
    public static final String TOPIC = "TopicTest";
    public static final String TAG = "Tag";
    public static final String KEY = "KEY";
    public static final int MESSAGE_COUNT = 100000;

    public static void main(String[] args) throws MQClientException, InterruptedException {
        TransactionMQProducer producer = new TransactionMQProducer(PRODUCER_GROUP);
        producer.setNamesrvAddr(DEFAULT_NAMESRVADDR);
        producer.setTransactionListener(new TransactionListener() {
            @Override
            public LocalTransactionState executeLocalTransaction(Message msg, Object arg) {
                if (arg instanceof Integer) {
                    int i = (Integer) arg;
                    if (i == 0) {
                        System.out.println("executeLocalTransaction arg is" + i + ", return ROLLBACK_MESSAGE");
                        return LocalTransactionState.ROLLBACK_MESSAGE;
                    } else if (i == 1) {
                        System.out.println("executeLocalTransaction arg is" + i + ", return COMMIT_MESSAGE");
                        return LocalTransactionState.COMMIT_MESSAGE;
                    }else {
                        System.out.println("executeLocalTransaction arg is" + i + ", return UNKNOWN");
                        return LocalTransactionState.UNKNOW;
                    }
                }
                return LocalTransactionState.COMMIT_MESSAGE;
            }

            @Override
            public LocalTransactionState checkLocalTransaction(MessageExt msg) {
                // 默认每30s检查一次
                System.out.println("checkLocalTransaction:" + msg.toString());
                return LocalTransactionState.COMMIT_MESSAGE;
            }
        });
        producer.start();

        try {
            Message msg = new Message(TOPIC, TAG, KEY,
                    "Hello RocketMQ".getBytes(StandardCharsets.UTF_8));
            SendResult sendResult = producer.sendMessageInTransaction(msg, 2);
            System.out.printf("%s%n", sendResult);
        } catch (MQClientException e) {
            e.printStackTrace();
        }
        Thread.sleep(40000);
        producer.shutdown();
    }

}
